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Finding the Fourth Proportional to 37,041.92, 51,119.08 and 20,274.92

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Solution

The fourth proportional to 37,041.92, 51,119.08 and 20,274.92 is: 27,980.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,041.92 : 51,119.08 = 20,274.92 : x
  2. Step 2: Convert to fraction form
    37,041.92/51,119.08 = 20,274.92/x
  3. Step 3: Cross multiply
    37,041.92x = 51,119.08 × 20,274.92
  4. Step 4: Simplify right side
    37,041.92x = 1,036,435,257.47
  5. Step 5: Solve for x
    x = 1,036,435,257.47/37,041.92
  6. Step 6: Final answer
    x = 27,980.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.